TIM S.A. CEO receives new performance share awards

Rhea-AI Filing Summary

TIM S.A. Chief Executive Officer Alberto Mario Griselli reported two equity compensation grants of common shares. On May 5, 2026, he acquired 99,692 common shares and 397,022 common shares at no cash price as awards tied to performance share programs.

The first award reflects shares earned from performance shares granted in 2023, including accrued dividend equivalent units, which vest 20%, 30% and 50% on the first three anniversaries of the original grant date. The second award reflects shares earned from portions of 2024 performance share grants, vesting 10%, 20% and 70% on the first three anniversaries of that grant date, in each case subject to his continued service.

Insider Trade Summary

Grant/Award: 496,714 shares

Grant/Award 2 txns

Insider Griselli Alberto Mario

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Shares	397,022	$0.00	$0.00
Grant/Award	Common Shares	99,692	$0.00	$0.00

Holdings After Transaction: Common Shares — 717,473 shares (Direct)

Footnotes (2)

1. F1. Represents the number of common shares earned (including any accrued dividend equivalent units), as a result of the Issuer's Board of Director's (the "Board") certification to the achievement of performance for the performance shares granted in 2023. These shares vest 20%, 30% and 50% on the first three anniversaries of the grant date, respectively, subject to the Reporting Person's continued service through each such vesting date.
2. F2. Represents the number of common shares earned (including any accrued dividend equivalent units), as a result of the Board's certification to the achievement of performance for portions of the performance shares granted in 2024. These shares vest 10%, 20% and 70% on the first three anniversaries of the grant date, respectively, subject to the Reporting Person's continued service through each such vesting date.

Key Figures

Share award 1: 99,692 common shares Share award 2: 397,022 common shares Post-transaction holding (first line): 717,473 common shares +1 more

4 metrics

Share award 1 99,692 common shares Equity award earned from 2023 performance shares

Share award 2 397,022 common shares Equity award earned from portions of 2024 performance shares

Post-transaction holding (first line) 717,473 common shares Total shares following the 99,692-share transaction

Post-transaction holding (second line) 617,781 common shares Total shares following the 397,022-share transaction

Key Terms

performance shares, dividend equivalent units, vesting date, anniversaries of the grant date

4 terms

performance shares financial

"as a result of the Issuer's Board of Director's certification to the achievement of performance for the performance shares granted in 2023"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

dividend equivalent units financial

"Represents the number of common shares earned (including any accrued dividend equivalent units)"

Dividend equivalent units are bookkeeping credits that mirror cash dividends paid on actual shares, granted to holders of stock-based awards such as restricted stock units or deferred compensation. They matter to investors because they increase a company’s reported employee compensation cost and can lead to issuance of more shares or cash payouts over time, similar to extra pay linked to ownership that affects shareholder dilution and corporate cash flow.

vesting date financial

"subject to the Reporting Person's continued service through each such vesting date"

anniversaries of the grant date financial

"These shares vest 20%, 30% and 50% on the first three anniversaries of the grant date"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/07/2026 - 08:26 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Griselli Alberto Mario

(Last) (First) (Middle)

JOAO CABRAL DE MELO NETO AVENUE

SOUTH TOWER - 12TH FLOOR

(Street)

RIO DE JANEIRO BRAZIL 22775-057

(City) (State) (Zip)

BRAZIL

(Country)

2. Issuer Name and Ticker or Trading Symbol
TIM S.A. [ TIMB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol
[TIMS3]

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	05/05/2026		A		397,022(1)	A	$0	617,781	D
Common Shares	05/05/2026		A		99,692(2)	A	$0	717,473	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of common shares earned (including any accrued dividend equivalent units), as a result of the Issuer's Board of Director's (the "Board") certification to the achievement of performance for the performance shares granted in 2023. These shares vest 20%, 30% and 50% on the first three anniversaries of the grant date, respectively, subject to the Reporting Person's continued service through each such vesting date.

2. Represents the number of common shares earned (including any accrued dividend equivalent units), as a result of the Board's certification to the achievement of performance for portions of the performance shares granted in 2024. These shares vest 10%, 20% and 70% on the first three anniversaries of the grant date, respectively, subject to the Reporting Person's continued service through each such vesting date.

	/s/ Pedro Yagelovic Bravin Arantes, attorney-in-fact	05/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)